Conditions for Setting the DTC
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All of the following conditions must exist for 5 seconds:
B0081 00
The SDM sets this DTC if there is a fault present in the passenger presence module.
B0081 3A
The SDM sets this DTC when the SDM has received a message from the passenger presence module which indicates a mismatch between the SDM and passenger presence module. There is either an incorrect SDM or passenger presence module installed on this vehicle.
B0081 4B
The passenger presence module sets this DTC when the passenger presence module has not learned the calibrations.
B0081 5A
The passenger presence module sets this code when the passenger presence module has lost communications with the SDM.